The DELTA PRODUCTS EFB0412MD-R00 is a high-quality DC fan with an axial ball bearing design, providing reliable operation for various electronic devices. Operating at a voltage range of 7V to 13.8V, this compact 40 X 40 X 20mm fan delivers a steady airflow of 7.17CFM while maintaining a low noise level of only 24dB. Trust in the efficiency and durability of this fan to keep your equipment cool and running smoothly.